Fix mailbox rename operation

UI/MailerUI/product.plist

@@ -112,7 +112,7 @@
           actionClass = "UIxMailFolderActions";
           actionName = "createFolder";
         };
-        renameFolder = {
+        save = {
           protectedBy = "View";
           actionClass = "UIxMailFolderActions";
           actionName = "renameFolder";

UI/WebServerResources/js/Mailer/mailbox-model.js

@@ -224,6 +224,12 @@
         children,
         i;
 
+    if (this.name == this.$shadowData.name) {
+      // Name hasn't changed
+      deferred.resolve();
+      return deferred.promise;
+    }
+
     // Local recursive function
     findParent = function(parent, children) {
       var parentMailbox = null,